Gold Chronometer no. 15795

Case: Yellow gold, Four-body, “bassine”, front cover engraved with a monogram, the back with a trophy of happy marriage. Gold hinged cuvette. Dial: White enamel, radial Roman numerals, outer minute track with five-minute gilt painted Arabic numerals, subsidiary seconds. Gold “spade” hands. Movement: 40 mm (18'''), maillechort, “fausses-côtes” decoration, stamped twice with Seal of Geneva Quality Mark, calibrated and counterpoised straight line lever escapement, cut-bimetallic compensation balance with blued steel Breguet balance spring, index regulator, patented winding Provenance: 18?? - Haas Neveux, Geneva 2004 - Antiquorum 6 Jun 2004, est $6,500-8,500, unsold, "B. Haas Jeune, Genève-Paris, No. 15795, circa 1880. Very fine 18K gold, hunting-cased pocket chronometer with “remontoire perpétuel à décrochement” keyless cover winding. C. five-body, “bassine et filets”, front engraved with initials, back with symbols of happy marriage, gold hinged cuvette.D. white enamel, radial Roman numerals, outer minute divisions with five-minute gilt Arabic markers, subsidiary sunk seconds. Gold “spade” hands. M. 40 mm (18’’’), maillechort, “fausses-côtes” decoration, straight line calibrated lever escapement, cut-bimetallic compensation balance with Breguetbalance spring, patented winding mechanism by closing the cover which transmits the power via two levers to a ratchet wheel on the barrel arbor with a safety device disengaging the mechanism when fully wound, going train with an additional wheel driving a steel wheel fixed to the center wheel having half the diameter of the driving one, second motion train driven from the canon pinion and advanced directly by pushing the teeth of the minute wheel, lever-set, punched twice with Seal of Geneva Quality marks.Accompanied by copies of the original patents.Signed on the cuvette.Diam. 53 mm." 2005 - Antiquorum 13 Nov 2005 est 12-14,000CHF unsold "“Keyless Cover Winding” B. Haas Jeune, Genève-Paris, No. 15795. Made circa 1885. Very fine 18K gold, hunting-cased lever chronometre pocket watch with “remontoire perpétuel à décrochement” keyless cover winding. Accompanied by copies of the original patents. C Four-body, “bassine”, front cover engraved with a monogram, the back with a trophy of happy marriage. Gold hinged cuvette. D. White enamel, radial Roman numerals, outer minute track with five-minute gilt painted Arabic numerals, subsidiary seconds. Gold “spade” hands. M. 40 mm (18'''), maillechort, “fausses-côtes” decoration, stamped twice with Seal of Geneva Quality Mark, calibrated and counterpoised straight line lever escapement, cut-bimetallic compensation balance with blued steel Breguet balance spring, index regulator, patented winding mechanism by closing the cover which transmits the power via two levers to a ratchet wheel on the barrel arbour, a safety device disengaging the mechanism when fully wound, going train with an additional wheel driving a steel wheel fixed to the center wheel having half the diameter of the driving one, second motion train driven from the canon pinion and advanced directly by pushing the teeth of the minute wheel. Signed on the cuvette. Diam. 53 mm"